<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<style>
    
</style>
<body>
    <div id="app">
        <ul>
            <li v-for="(item,index) in list" :key="item.id">
                {{item.text}}
            </li>
        </ul>
        <button @click="gogo" >走一走</button>
    </div>
    <script src="./vue.js"></script>
    <script>
       const app = new Vue({
        el:'#app',
        data:{
            list: [
            { id: 1, text: "美女" },
            { id: 2, text: "帅哥" },
            { id: 3, text: "程序员" },
          ],
        },
        methods:{
            gogo(){
                this.list.push(this.list.shift())
            }
        }
       })
    </script>
</body>
</html>